74574975

素因数分解:

$3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1$

素因数の和:396

約数の個数: 48

約数和(自身を含む): 127840032

約数和(自身を除く): 53265057

約数列:

[1, 3, 5, 15, 25, 53, 73, 75, 159, 219, 257, 265, 365, 771, 795, 1095, 1285, 1325, 1825, 3855, 3869, 3975, 5475, 6425, 11607, 13621, 18761, 19275, 19345, 40863, 56283, 58035, 68105, 93805, 96725, 204315, 281415, 290175, 340525, 469025, 994333, 1021575, 1407075, 2982999, 4971665, 14914995, 24858325, 74574975]

約数ペア:

[(1, 74574975), (3, 24858325), (5, 14914995), (15, 4971665), (25, 2982999), (53, 1407075), (73, 1021575), (75, 994333), (159, 469025), (219, 340525), (257, 290175), (265, 281415), (365, 204315), (771, 96725), (795, 93805), (1095, 68105), (1285, 58035), (1325, 56283), (1825, 40863), (3855, 19345), (3869, 19275), (3975, 18761), (5475, 13621), (6425, 11607)]